Abstract

Seventy three hands in patients with rheumatoid arthritis undergoing primary index to small finger metacarpophalangeal joint replacements were studied retrospectively. In twenty eight hands a crossed intrinsic transfer was performed and in forty five hands it was not. A similar splintage and rehabilitation programme was followed in each group. The two treatment groups had similar preoperative ulnar drift (crossed intrinsic transfer group mean 27°, comparative group 29°). At a mean follow up of 50 months the crossed intrinsic transfer group had statistically less ulnar drift (crossed intrinsic transfer group mean 6°, comparative group mean 14°, P=0.01). There were no other significant differences at follow up.

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